Answers

Add 90/36 and 27/18

1^st number: 2 18/36, 2^nd number: 1 9/18

90/36 + 27/18 is 4/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 18 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 36 × 1 = 36,
   90/36 = 90 × 1/36 × 1 = 90/36
3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
   27/18 = 27 × 2/18 × 2 = 54/36
4. Add the two like fractions:
   90/36 + 54/36 = 90 + 54/36 = 144/36
5. 144/36 simplified gives 4/1
6. So, 90/36 + 27/18 = 4/1

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